Submission #1232952

#	Time	Username	Problem	Language	Result	Execution time	Memory
1232952		yixuan19	Crayfish scrivener (IOI12_scrivener)	C++20	34 / 100	159 ms	327680 KiB

scrivener

#include <iostream>
#include <vector>
char last;

using namespace std;

vector<vector<char> > commands;

void Init() {
  vector<char> empty;
  commands.push_back(empty);
 //cout<<"init done"<<endl;
}


void TypeLetter(char L) {
  vector<char> last = commands[commands.size()-1];
  last.push_back(L);
  commands.push_back(last);
  //cout<<"letter added"<<endl;

}

void UndoCommands(int U) {
  vector<char> last = commands[commands.size()-U-1];
  commands.push_back(last);
  //cout<<U<<" commands undone"<<endl;
}

char GetLetter(int P) {
  return commands[commands.size()-1][P];
}

• Subtask 1: 5 / 5
• Subtask 2: 7 / 7
• Subtask 3: 22 / 22
• Subtask 4: 0 / 26
• Subtask 5: 0 / 40